Buying powerful magnets requires understanding material grades, safety, and specific application needs. As of 2026, magnets remain the most powerful permanent magnets commercially available, often referred to as the "Magnet King". Core Buyer's Guide Understanding Strength (Gauss and Pull Force):
Slightly less powerful than Neodymium but far superior in high-temperature environments (up to
For large-scale industrial needs, platforms like Alibaba connect buyers directly with manufacturers of N55-grade materials. Magnet Comparison Summary Magnet Type Power Level Key Limitation Neodymium EV Motors, Tech, Crafts Corrodes easily (needs coating) SmCo Aerospace, High-temp Expensive due to Cobalt content Alnico Sensors, Guitars Easy to demagnetize Ferrite Souvenirs, Speakers Low magnetic strength Important Safety Note
This measures the magnetic field density. A higher Gauss rating typically indicates a stronger field.
This is the weight a magnet can hold. For instance, N52 magnets provide a significantly higher pull force than N45 or N35 magnets of the same physical size, allowing for more compact designs. Material Grades: